Look at the cast-iron hubs on the main drive wheels. You will see a small circle with numbers and a letter.
John Deere 7000 planters were manufactured between . Unlike modern equipment with 17-digit PINs where the 10th digit indicates the year, older John Deere implements typically use a serial number plate located on the main frame, often on the hitch or the main toolbar. Production Timeline (1974–1986) John Deere 7000 Planter Serial Number Year Of Manufacture
While the original 7000 series predates the standardized 17-digit Product Identification Number (PIN) used today, newer John Deere equipment follows a specific code where the indicates the year. If your planter has been retrofitted or features a later frame, this 10th digit is your key to the manufacture date. Why the Year Matters Look at the cast-iron hubs on the main drive wheels